2) CH2=CH-CH3+HBR = CH3-CHBr-CH3
3)CH2=CH2+Br2 = CH2Br-CH2Br
4)nCH2=CH-CH3 =(-CH2-CH-)n от СH вниз -СH3
2) CH2=CH-CH3+HBR = CH3-CHBr-CH3
3)CH2=CH2+Br2 = CH2Br-CH2Br
4)nCH2=CH-CH3 =(-CH2-CH-)n от СH вниз -СH3